Bug 881120 - Allow clients to specify nodes that shouldn't be released. r=jwalker
Bug 883599 - Fix the inspector actor's nextSibling and previousSibling requests. r=paul
Bug 883602 - Import all parents when using frontForRawNode(). r=jwalker
Bug 883603 - Don't reply to getWalker request until DOM content is loaded. r=paul
Bug 883604 - Implement NodeFront.isDocumentElement. r=paul